42135174 has 32 divisors (see below), whose sum is σ = 94227840. Its totient is φ = 13955976.

The previous prime is 42135143. The next prime is 42135187. The reversal of 42135174 is 47153124.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6409 + ... + 11195.

It is an arithmetic number, because the mean of its divisors is an integer number (2944620).

Almost surely, 2^42135174 is an apocalyptic number.

42135174 is an abundant number, since it is smaller than the sum of its proper divisors (52092666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42135174 is a wasteful number, since it uses less digits than its factorization.

42135174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961 (or 4955 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 42135174 is about 6491.1612212300. The cubic root of 42135174 is about 347.9751765884.

Adding to 42135174 its reverse (47153124), we get a palindrome (89288298).

The spelling of 42135174 in words is "forty-two million, one hundred thirty-five thousand, one hundred seventy-four".